Computer aided design of an active notch filter for HF band RFID

Motakabber, Nowshad Amin, Mohd Alauddin Mohd Ali

Research output: Contribution to journalArticle

Abstract

In a passive RFID system a single antenna is used for both transmitting and receiving purpose into a reader/interrogator. So it is obligatory to use a switching circuit or a filter circuit to Isolate the sensitive circuit of the receiver input from the transmitting high power and voltage. A great opportunely for the engineers and designers, that the RFID uses a single carrier frequency for both transmission and reception purpose, this makes easy to design a notch filter for protect the sensitive input circuit from the transmitted carrier power and to extract the information from the modulated backscattering signal from the tag. The design and implementation of the notch filter is simpler than a switching circuit. In this paper we stated the design of an improved second order 13.56 MHz active notch filter using Wien-Notch topology for a high frequency band RFID reader/interrogator. The design was simulated and verified by using different types of mathematical and simulation software tools.

Original languageEnglish
Pages (from-to)23-25
Number of pages3
JournalFrequenz
Volume64
Issue number1-2
Publication statusPublished - Jan 2010

Fingerprint

Notch filters
Active filters
Radio frequency identification (RFID)
Computer aided design
Switching circuits
Networks (circuits)
Backscattering
Frequency bands
Topology
Antennas
Engineers
Electric potential

Keywords

  • Active filter
  • Backscattering signal
  • Notch filter
  • RFID
  • Wien-Notch topology

ASJC Scopus subject areas

  • Electrical and Electronic Engineering

Cite this

Motakabber, Amin, N., & Ali, M. A. M. (2010). Computer aided design of an active notch filter for HF band RFID. Frequenz, 64(1-2), 23-25.

Computer aided design of an active notch filter for HF band RFID. / Motakabber; Amin, Nowshad; Ali, Mohd Alauddin Mohd.

In: Frequenz, Vol. 64, No. 1-2, 01.2010, p. 23-25.

Research output: Contribution to journalArticle

Motakabber, Amin, N & Ali, MAM 2010, 'Computer aided design of an active notch filter for HF band RFID', Frequenz, vol. 64, no. 1-2, pp. 23-25.
Motakabber, Amin N, Ali MAM. Computer aided design of an active notch filter for HF band RFID. Frequenz. 2010 Jan;64(1-2):23-25.
Motakabber ; Amin, Nowshad ; Ali, Mohd Alauddin Mohd. / Computer aided design of an active notch filter for HF band RFID. In: Frequenz. 2010 ; Vol. 64, No. 1-2. pp. 23-25.
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